please forgive me... ;)

 * initial acpi support code
 * fix header


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1358 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 92 insertions, 0 deletions

diff --git a/src/arch/i386/include/arch/acpi.h b/src/arch/i386/include/arch/acpi.h
new file mode 100644
index 0000000000..6b6965684c
--- /dev/null
+++ b/src/arch/i386/include/arch/acpi.h
@@ -0,0 +1,92 @@
+/*
+ * Initial LinuxBIOS ACPI Support - headers and defines.
+ * 
+ * written by Stefan Reinauer <stepan@openbios.org>
+ * (C) 2004 SUSE LINUX AG
+ *
+ * The ACPI table structs are based on the Linux kernel sources.
+ * 
+ */
+
+
+#ifndef __ASM_ACPI_H
+#define __ASM_ACPI_H
+
+#if HAVE_ACPI_TABLES==1
+
+typedef unsigned char u8;
+typedef unsigned short u16;
+typedef unsigned int u32;
+typedef unsigned long long u64;
+
+#define RSDP_NAME               "RSDP"
+#define RSDP_SIG                "RSD PTR "  /* RSDT Pointer signature */
+
+/* ACPI 2.0 table RSDP */
+
+typedef struct acpi_rsdp {
+	char  signature[8];
+	u8    checksum;
+	char  oem_id[6];
+	u8    revision;
+	u32   rsdt_address;
+	u32   length;
+	u64   xsdt_address;
+	u8    ext_checksum;
+	u8    reserved[3];
+} __attribute__((packed)) acpi_rsdp_t;
+
+/* Generic Address Container */
+
+typedef struct acpi_gen_regaddr {
+	u8  space_id;
+	u8  bit_width;
+	u8  bit_offset;
+	u8  resv;
+	u32 addrl;
+	u32 addrh;
+} __attribute__ ((packed)) acpi_addr_t;
+
+/* Generic ACPI Header, provided by (almost) all tables */
+
+typedef struct acpi_table_header         /* ACPI common table header */
+{
+	char signature [4];          /* ACPI signature (4 ASCII characters) */\
+	u32  length;                 /* Length of table, in bytes, including header */\
+	u8   revision;               /* ACPI Specification minor version # */\
+	u8   checksum;               /* To make sum of entire table == 0 */\
+	char oem_id [6];             /* OEM identification */\
+	char oem_table_id [8];       /* OEM table identification */\
+	u32  oem_revision;           /* OEM revision number */\
+	char asl_compiler_id [4];    /* ASL compiler vendor ID */\
+	u32  asl_compiler_revision;  /* ASL compiler revision number */
+} __attribute__ ((packed)) acpi_header_t;
+
+/* RSDT */
+
+typedef struct acpi_rsdt {
+	struct acpi_table_header header;
+	u32 entry[8];
+} __attribute__ ((packed)) acpi_rsdt_t;
+
+/* HPET TIMERS */
+
+typedef struct acpi_hpet {
+	struct acpi_table_header header;
+	u32 id;
+	struct acpi_gen_regaddr addr;
+	u8 number;
+	u16 min_tick;
+	u8 attributes;
+} __attribute__ ((packed)) acpi_hpet_t;
+
+
+unsigned long write_acpi_tables(unsigned long addr);
+
+#else // HAVE_ACPI_TABLES
+
+#define write_acpi_tables(start) (start)
+
+#endif
+
+#endif